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N E T W O R KS U P E RV I S I O N
Figure 27b
7.Now you should change to ‘Autotest’ and shoot a trace
i. If the display says that you failed the test, look at the trace or event table to
identify where the failing event is to locate and identify the failure.
Figure 27c – Event Table on Fluke Networks’ OptiFiber OTDR
ii.If the end of the fiber is much closer that it should be, you have a broken fiber at
that location
iii.You may use a visual fault locator or create a macrobend with a real time trace
running to physically locate the break or failing event
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